Quarterly report pursuant to Section 13 or 15(d)

Developments of Consolidated Outlet Centers (Details)

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Developments of Consolidated Outlet Centers (Details)
ft² in Thousands, $ in Millions
 10 Months Ended 12 Months Ended
Jun. 30, 2017
USD ($)
ft²
Jun. 30, 2017
USD ($)
ft²
Jul. 31, 2016
ft²
Properties under development [Member]      
Real Estate Properties [Line Items]      
Square Feet | ft² 475 475  
Costs incurred to date | $   $ 86.6  
Fort Worth [Member]      
Real Estate Properties [Line Items]      
Square Feet | ft² 352 352  
Costs incurred to date | $ $ 53.7    
Lancaster [Member]      
Real Estate Properties [Line Items]      
Square Feet | ft² 123 123 123
Costs incurred to date | $   $ 32.9